diff --git a/HISTORY.md b/HISTORY.md
index 3f6bdeda65..30e4c59a51 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,5 +1,12 @@
 # Keyman Version History
 
+## 18.0.52 alpha 2024-06-08
+
+* fix(developer): prevent two touch layout editors opening for the same file (#11717)
+* chore(common): cleanup meson deprecations and warnings (#11523)
+* feat(developer): support language reference in context help (#11737)
+* test(developer): kmcmplib compiler unit tests (#11378)
+
 ## 18.0.51 alpha 2024-06-07
 
 * fix(web): fix osk touch-focus tracking (#11705)
diff --git a/VERSION.md b/VERSION.md
index 7f0a827856..ff065a7a5f 100644
--- a/VERSION.md
+++ b/VERSION.md
@@ -1 +1 @@
-18.0.52
\ No newline at end of file
+18.0.53
\ No newline at end of file
diff --git a/android/KMAPro/kMAPro/src/main/java/com/keyman/android/SystemKeyboard.java b/android/KMAPro/kMAPro/src/main/java/com/keyman/android/SystemKeyboard.java
index cf32ba0c00..c6885b2b56 100644
--- a/android/KMAPro/kMAPro/src/main/java/com/keyman/android/SystemKeyboard.java
+++ b/android/KMAPro/kMAPro/src/main/java/com/keyman/android/SystemKeyboard.java
@@ -147,6 +147,16 @@ public class SystemKeyboard extends InputMethodService implements OnKeyboardEven
     KMManager.onStartInput(attribute, restarting);
     KMManager.resetContext(KeyboardType.KEYBOARD_TYPE_SYSTEM);
 
+    // This method (likely) includes the IME equivalent to `onResume` for `Activity`-based classes,
+    // making it an important time to detect orientation changes.
+    Context appContext = getApplicationContext();
+    int newOrientation = KMManager.getOrientation(appContext);
+    if(newOrientation != lastOrientation) {
+      lastOrientation = newOrientation;
+      Configuration newConfig = this.getResources().getConfiguration();
+      KMManager.onConfigurationChanged(newConfig);
+    }
+
     // Temporarily disable predictions on certain fields (e.g. hidden password field or numeric)
     int inputType = attribute.inputType;
     KMManager.setMayPredictOverride(inputType);
@@ -154,7 +164,6 @@ public class SystemKeyboard extends InputMethodService implements OnKeyboardEven
       KMManager.setBannerOptions(false);
     } else if (KMManager.isKeyboardLoaded(KeyboardType.KEYBOARD_TYPE_SYSTEM)){
       // Check if predictions needs to be re-enabled per Settings preference
-      Context appContext = getApplicationContext();
       Keyboard kbInfo = KMManager.getCurrentKeyboardInfo(appContext);
       if (kbInfo != null) {
         String langId = kbInfo.getLanguageID();
@@ -171,7 +180,7 @@ public class SystemKeyboard extends InputMethodService implements OnKeyboardEven
       ExtractedText icText = ic.getExtractedText(new ExtractedTextRequest(), 0);
       /*
         We do sometimes receive null `icText.text`, even though
-        getExtractedText() docs does not list this as a possible 
+        getExtractedText() docs does not list this as a possible
         return value, so we test for that as well (#11479)
       */
       if (icText != null && icText.text != null) {
@@ -199,15 +208,6 @@ public class SystemKeyboard extends InputMethodService implements OnKeyboardEven
     super.onUpdateExtractingVisibility(ei);
   }
 
-  @Override
-  public void onConfigurationChanged(Configuration newConfig) {
-    super.onConfigurationChanged(newConfig);
-    if (newConfig.orientation != lastOrientation) {
-      lastOrientation = newConfig.orientation;
-      KMManager.onConfigurationChanged(newConfig);
-    }
-  }
-
   @Override
   public void onConfigureWindow(Window win, boolean isFullscreen, boolean isCandidatesOnly) {
     super.onConfigureWindow(win, isFullscreen, isCandidatesOnly);
diff --git a/android/KMEA/app/src/main/assets/android-host.js b/android/KMEA/app/src/main/assets/android-host.js
index 1582c970f8..39ce3a5f30 100644
--- a/android/KMEA/app/src/main/assets/android-host.js
+++ b/android/KMEA/app/src/main/assets/android-host.js
@@ -145,7 +145,7 @@ function setOskHeight(h) {
 
 function setOskWidth(w) {
   if(w > 0) {
-    oskWidth = w;
+    oskWidth = w / window.devicePixelRatio;
   }
 }
 
diff --git a/android/KMEA/app/src/main/java/com/keyman/engine/KMKeyboard.java b/android/KMEA/app/src/main/java/com/keyman/engine/KMKeyboard.java
index d45937fe73..6788c8f90e 100644
--- a/android/KMEA/app/src/main/java/com/keyman/engine/KMKeyboard.java
+++ b/android/KMEA/app/src/main/java/com/keyman/engine/KMKeyboard.java
@@ -195,13 +195,13 @@ final class KMKeyboard extends WebView {
     int selMin = icText.selectionStart, selMax = icText.selectionEnd;
 
     int textLength = rawText.length();
-    
+
     if (selMin < 0 || selMax < 0) {
       // There is no selection or cursor
       // Reference https://developer.android.com/reference/android/text/Selection#getSelectionEnd(java.lang.CharSequence)
       return false;
     } else if (selMin > textLength || selMax > textLength) {
-      // Selection is past end of existing text -- should not be possible but we 
+      // Selection is past end of existing text -- should not be possible but we
       // are seeing it happen; #11506
       return false;
     }
@@ -231,7 +231,7 @@ final class KMKeyboard extends WebView {
     selMin -= pairsAtStart;
     selMax -= (pairsAtStart + pairsSelected);
     this.loadJavascript(KMString.format("updateKMSelectionRange(%d,%d)", selMin, selMax));
-  
+
     return true;
   }
 
@@ -262,7 +262,7 @@ final class KMKeyboard extends WebView {
     // When `.isTestMode() == true`, the setWebContentsDebuggingEnabled method is not available
     // and thus will trigger unit-test failures.
     if (!KMManager.isTestMode() && (
-      (context.getApplicationInfo().flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0 || 
+      (context.getApplicationInfo().flags & ApplicationInfo.FLAG_DEBUGGABLE) != 0 ||
       KMManager.getTier(null) != KMManager.Tier.STABLE
     )) {
       // Enable debugging of WebView via adb. Not used during unit tests
@@ -443,20 +443,15 @@ final class KMKeyboard extends WebView {
     dismissHelpBubble();
   }
 
+  @Override
   public void onConfigurationChanged(Configuration newConfig) {
     super.onConfigurationChanged(newConfig);
 
     RelativeLayout.LayoutParams params = KMManager.getKeyboardLayoutParams();
+    // I suspect this is the part we should actually be calling directly...
     this.setLayoutParams(params);
-
-    int bannerHeight = KMManager.getBannerHeight(context);
-    int oskHeight = KMManager.getKeyboardHeight(context);
-    if (this.htmlBannerString != null && !this.htmlBannerString.isEmpty()) {
-      setHTMLBanner(this.htmlBannerString);
-    }
-    loadJavascript(KMString.format("setBannerHeight(%d)", bannerHeight));
-    loadJavascript(KMString.format("setOskWidth(%d)", newConfig.screenWidthDp));
-    loadJavascript(KMString.format("setOskHeight(%d)", oskHeight));
+    this.invalidate();
+    this.requestLayout();
 
     this.dismissHelpBubble();
 
@@ -465,6 +460,27 @@ final class KMKeyboard extends WebView {
     }
   }
 
+  @Override
+  public void onSizeChanged(int width, int height, int oldWidth, int oldHeight) {
+    super.onSizeChanged(width, height, oldWidth, oldHeight);
+    int bannerHeight = KMManager.getBannerHeight(context);
+    int oskHeight = KMManager.getKeyboardHeight(context);
+
+    if(bannerHeight + oskHeight != height) {
+      // We'll proceed, but cautiously and with logging.
+      KMLog.LogInfo(TAG, "Height mismatch: onSizeChanged = " + height + ", our version = " + (bannerHeight + oskHeight));
+    }
+
+    if (this.htmlBannerString != null && !this.htmlBannerString.isEmpty()) {
+      setHTMLBanner(this.htmlBannerString);
+    }
+
+    loadJavascript(KMString.format("setBannerHeight(%d)", bannerHeight));
+    loadJavascript(KMString.format("setOskWidth(%d)", width));
+    // Must be last - it's the one that triggers a Web-engine layout refresh.
+    loadJavascript(KMString.format("setOskHeight(%d)", oskHeight));
+  }
+
   public void dismissSuggestionMenuWindow() {
     try {
       if (suggestionMenuWindow != null && suggestionMenuWindow.isShowing()) {